.text-center {
    text-align: center;
    margin: 2em;
}
.form-signin {
    margin: 0 auto;
    display: inline-block;
    width: 450px;
    margin: 0 auto;
    padding: 20px;
    border: 1px solid #CCCCCC;
    border-radius: 3px;
    box-shadow: 0 0 10px #DDDDDD;
    background-color: #FAFAFA;
}
    .form-signin h3 {
        margin: 0 0 10px 0;
        text-align: left;
    }

    .form-signin .form-signin-heading,
    .form-signin .checkbox {
        margin-bottom: 10px;
    }

    .form-signin .checkbox {
        font-weight: 400;
    }

    .form-signin .form-control {
        position: relative;
        box-sizing: border-box;
        height: auto;
        padding: 10px;
        font-size: 16px;
    }

        .form-signin .form-control:focus {
            z-index: 2;
        }

    .form-signin input[type="email"] {
        margin-bottom: -1px;
        border-bottom-right-radius: 0;
        border-bottom-left-radius: 0;
    }

    .form-signin input[type="password"] {
        margin-bottom: 10px;
        border-top-left-radius: 0;
        border-top-right-radius: 0;
    }

    .form-signin label {
        width: 180px;
        float: left;
        display: inline-block;
        text-align: right;
        margin-right: 20px;
    }

    .form-signin input {
        float: left;
        font-size: 1em;
    }
    .action-button {
        border: 0;
        cursor: pointer;
    }